Long-range surface reconstruction:: Si(110)-(16x2) -: art. no. 136104

被引：59

作者：

Stekolnikov, AA ^{[1
]}

Furthmüller, J ^{[1
]}

Bechstedt, F ^{[1
]}

机构：

[1] Univ Jena, Inst Festkorpertheorie & Opt, D-07743 Jena, Germany

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.93.136104

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A variety of reconstruction models is studied for the Si(110)-(16x2) surface using first-principles calculations. Assuming appropriate rebonding of edge atoms and surface chains buckled in antiphase, we show that steps along the [(1) over bar 12] direction yielding a trench indeed lower the surface energy. We explain the long-range surface reconstruction and develop a geometry model based on steps, adatoms, tetramers, and interstitials. The model is able to explain the stripes of paired pentagons seen obviously in empty-state scanning tunneling microscopy images.

引用

页码：136104 / 1

页数：4

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